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Core: Render a blank UI frame before booting

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This is related to https://bugs.dolphin-emu.org/issues/10958 which
uses Qt to clear out the window so the game list isn't displayed
while the core is booting. Instead, we use the video backend to
render a black screen, which means Qt doesn't have to flip between
paint engines.
This commit is contained in:
Stenzek 2020-03-11 23:11:57 +10:00
parent fb947296b0
commit 2f016295a6
1 changed files with 5 additions and 0 deletions
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5
Source/Core/Core/Core.cpp
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@ -470,6 +470,11 @@ static void EmuThread(std::unique_ptr<BootParameters> boot, WindowSystemInfo wsi
}
Common::ScopeGuard video_guard{[] { g_video_backend->Shutdown(); }};
// Render a single frame without anything on it to clear the screen.
// This avoids the game list being displayed while the core is finishing initializing.
g_renderer->BeginUIFrame();
g_renderer->EndUIFrame();
if (cpu_info.HTT)
SConfig::GetInstance().bDSPThread = cpu_info.num_cores > 4;
else